A potential correlation between adipokines, skeletal muscle function and bone mineral density in middle-aged and elderly individuals

Table 3 The levels of IL-6 and CRP and the correlation between IL-6 and CRP and parameters of fat, skeletal muscle and BMD.

	Total(n = 125)	Group 1(n = 69)	Group 2(n = 56)	P
IL-6 (pg/mL)	4.23 ± 5.49	2.89 ± 1.33	3.10 ± 7.48	0.049^*
CRP (mg/L)	0.62 ± 0.19	0.49 ± 0.09	0.74 ± 0.17	< 0.001^***
	IL-6		CRP
Body fat mass	0.238 (0.013)^*		0.14 (0.089)
Grip strength	-0.394 (0.008)^*		-0.12 (0.266)
SMM	-0.184 (0.029)^*		-0.144 (0.075)
Lumbar spine BMD	-0.336 (0.004)^**		-0.651 (< 0.001)^***
Total hip BMD	-0.439 (< 0.001)^***		-0.823 (< 0.001)^***
Femoral neck BMD	-0.356 (0.002)^**		-0.651 (< 0.001)^***

^*P < 0.05; ^**P < 0.01; ^***P < 0.001. P values were 2-sided and values < 0.05 were considered to be significantly important. The upper half of the table displays the expression levels and intergroup differences of IL-6 and CRP. In the bottom half of the table, numbers outside parentheses are Spearman correlation coefficients and numbers inside parentheses are P-values

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